MDS-NT1 SERVICE MANUAL AEP Model UK Model E Model Ver 1.0 2002.02 US and foreign patents licensed from Dolby Laboratories Licensing Corporation. • OpenMG, “MagicGate”, “MagicGate Memory Stick”, “Memory Stick”, VAIO, MusicClip, Net MD, and their logos are trademarks of Sony Corporation. • “WALKMAN ” is a trademark of Sony Corporation. • Microsoft, Windows, Windows NT and Windows Media are trademarks or registered trademarks of Microsoft Corporation in the United States and/or other countries.
MDS-NT1 SELF-DIAGNOSIS FUNCTION The self-diagnosis function consists of error codes for customers which are displayed automatically when errors occur, and error codes which show the error history in the test mode during servicing. For details on how to view error codes for the customer, refer to the following box in the instruction manual. For details on how to check error codes during servicing, refer to the following “Procedure for using the Self-Diagnosis Function (Error History Display Mode)”.
MDS-NT1 ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTS Selecting the Test Mode Display Details of History op rec tm Cumulative recording time is displayed. When cumulative recording time is over 1 minute, the hour and minute are displayed as they are. When it is under 1 minute, “Under 1 min” is displayed. The displayed time shows how long the laser is in high power state. It is about one fourth the actual recording time. op play tm Cumulative playing time is displayed.
MDS-NT1 Table of Error Codes Error Code 4 Details of Error 10 Loading failed 12 Loading switch combination is illegal 20 Head of PTOC could not be read within the specified time 21 Head of PTOC could be read but its content is erroneous 22 Access to UTOC could not be made within the specified time 23 UTOC could be not read within the specified 3time 24 Content of UTOC is erroneous 30 Playing could not start 31 Content of sector is erroneous 40 Cause of retry occurred during normal rec
MDS-NT1 TABLE OF CONTENTS SELF-DIAGNOSIS FUNCTION ........................... 2 1. SERVICING NOTES ............................................... 7 2. GENERAL ................................................................... 12 3. DISASSEMBLY 3-1. 3-2. 3-3. 3-4. 3-5. 3-6. 3-7. 3-8. 3-9. 3-10. 3-11. Disassembly Flow ........................................................... Case (Upper) ................................................................... Main Board ................................
MDS-NT1 The laser component in this product is capable of emitting radiation exceeding the limit for Class 1. This appliance is classified as a CLASS 1 LASER product. The CLASS 1 LASER PRODUCT MARKING is located on the bottom exterior. CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure. Notes on chip component replacement • Never reuse a disconnected chip component.
MDS-NT1 SECTION 1 SERVICING NOTES NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT The laser diode in the optical pick-up block may suffer electrostatic break-down because of the potential difference generated by the charged electrostatic load, etc. on clothing and the human body. During repair, pay attention to electrostatic break-down and also use the procedure in the printed matter which is included in the repair parts. The flexible board is easily damaged and should be handled with care.
MDS-NT1 JIG FOR CHECKING BD BOARD WAVEFORM The special jig (J-2501-149-A) is useful for checking the waveform of the BD board. The names of terminals and the checking items to be performed are shown as follows.
MDS-NT1 Note 1:The test mode and recording of this set are controlled by a personal computer, thus requiring the set to be connected to the PC. Prepare the personal computer in which necessary software is already installed. • Attached software “OpenMG Jukebox” (necessary for recording (check in, check out)) (Part No. : 4-237-880-01) • Software for test mode “TestMode_S.exe” (“TestMode_S.exe” and essential files “data_files.csv”, “Net MDUSB.dil” are distributed together with the Service Manual.
MDS-NT1 CHECKS PRIOR TO PARTS REPLACEMENT AND ADJUSTMENTS IN MD Before performing repairs, perform the following checks to determine the faulty locations up to a certain extent. Details of the procedures are described in “5. Electrical Adjustments”. Note: This set uses optical pick-up KMS-262E in the production, but for the repair, only the KMS-262A is supplied.
MDS-NT1 SERVICE MODE Microcomputer Version Display Procedure: 1. Press the [B/> ] button and [x/Z] button until the NetMD indicator turns off (for more than 3 seconds). (During this step, the USB cable must be disconnected) 2. Connect the set to the PC with the attached USB cable. 3. Start up the software for test mode. 4. Click the [TEST MODE]. 5. Enter the test mode, then click the [JOG UP] or [JOG DOWN] to display “ ”, and click the [ENTER/YES]. 6. “NT1-V**.****” is displayed.
MDS-NT1 SECTION 2 GENERAL This section is extracted from instruction manual. • LOCATION OF CONTROLS – Rear View – – Front View – This chapter tells you about the location and function of the various buttons, controls on the MD deck. 1 2 3 1 6 4 5 1 N/> button 2 MD insertion slot Insert the MD as illustrated below. With the labeled side up Indicates the USB connection status between the unit and the computer.
MDS-NT1 SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. 3-1. DISASSEMBLY FLOW Note: The process described in can be performed in any order. Note: Without completing the process described in , the next process can not be performed. SET 3-2. CASE (UPPER) (Page 14) 3-4. MD MECHANISM DECK (MDM-7S2B) (Page 15) 3-3. MAIN BOARD (Page 15) 3-6. BD (MD) BOARD (Page 16) 3-6. BD (MD) BOARD (Page 16) 3-6. OVER WRITE HEAD (HR901) (Page 16) 3-7. HOLDER ASSY (Page 17) 3-5.
MDS-NT1 Note: Follow the disassembly procedure in the numerical order given. 3-2. CASE (UPPER) Note 1: Fold down the flat type wire (7 core) in the direction of the arrow at the first setout, then install the upper case. wire (flat type) (7 core) 2 case (upper) wire (flat type) (7core) 1 three screws (BVTP3 × 10) lead wire Note 2: Check that the lead wire is connected vertically to the chassis before installing the upper case.
MDS-NT1 3-3. MAIN BOARD 1 wire (flat type) (23 core) (CN102) 1 wire (flat type) (7 core) (CN104) 3 screw (BVTP3 × 8) 1 wire (flat type) (27 core) (CN101) 3 screw (BVTP3 × 8) 4 MAIN board 2 screw (BVTT3 × 8) 3-4.
MDS-NT1 3-5. FRONT PANEL SECTION 1 wire (flat type) (7 core) (CN104) 4 two screws (BVTT3 × 5) 5 front panel section wire (flat type) (7 core) Note: Set the wire (flat type) as illustrated, then install the front panel section. 3-6. 2 lead wire 3 two screws (K3 × 8) BD BOARD, OVER WRITE HEAD (HR901) Note: By means of removing 1 connector (CN104), BD board can be removed without removing the over write head (HR901). 2 screw (P1.
MDS-NT1 3-7. HOLDER ASSY 2 claw 3 6 holder assy 5 4 boss 1 tension spring (holder) 3-8. 4 boss LOADING MOTOR ASSY (M103) 1 belt (loading) 2 two screws (PWH1.7 × 2.
MDS-NT1 3-9. SLED MOTOR ASSY (M102) 3 5 With holding the claw, slide the slider fully in the direction of arrow A. 4 slider (EJ) A 8 lever (head) 6 slider 2 guide (L) 1 two screws (B2 × 6) 9 two screws (PWH1.7 × 2.5) 7 lever (CHG) 0 sled motor assy (M102) 3-10. OPTICAL PICK-UP (KMS-262E) qa optical pick-up (KMS-262E) 7 Pull out the main shaft. 1 flexible board 0 SL base 9 screw (P1.7 × 6) 8 6 two screws (KTP2 × 6) 4 screw (B2 × 6) 5 base (BU-A) 3 gear (SD) 2 screw (M1.
MDS-NT1 3-11. SPINDLE MOTOR ASSY (M101) 2 spindle motor assy (M101) 1 three screws (M1.
MDS-NT1 SECTION 4 TEST MODE Note 1:The test mode and recording of this set are controlled by a personal computer, thus requiring the set to be connected to the PC. Prepare the personal computer in which necessary software is already installed. • Attached software “OpenMG Jukebox” (necessary for recording (check in, check out)) (Part No. : 4-237-880-01) • Software for test mode “TestMode_S.exe” (“TestMode_S.exe” and essential files “data_files.csv”, “Net MDUSB.
MDS-NT1 4-5. SELECTING THE TEST MODE There are 26 types of test modes as shown below. The groups can be switched by clicking the [JOG UP] or [JOG DOWN]. After selecting the group to be used, click the [ENTER/YES]. After setting a certain group, click the [JOG UP] or [JOG DOWN] switches between these modes. Refer to “Group” in the table for details can be selected. All items used for servicing can be treated using group [Service]. So be carefully not to enter other groups by mistake.
MDS-NT1 4-5-1. Operating the Continuous Playback Mode 1. Entering the continuous playback mode (1) Set the disc in the unit. (Whichever recordable discs or discs for playback only are available) (2) Click the [JOG UP] or [JOG DOWN] and display “CPLAY2MODE” (C36). (3) Click the [ENTER/YES] to change the display to “CPLAY2MID”. (4) When access completes, the display changes to “C = AD = ”. Note: The numbers “ ” displayed show you error rates and ADER. 2.
MDS-NT1 4-6. AUTOMATIC SELF-DIAGNOSIS FUNCTION This test mode performs CREC and CPLAY automatically for mainly checking the characteristics of the optical pick-up. To perform this test mode, the laser power must first be checked. Perform AUTO CHECK after the laser power check and Iop check. Procedure: 1. Click the [ENTER/YES]. If “LDPWR ” is displayed, it means that the laser power check has not been performed. In this case, perform the laser power check and Iop compare, and then repeat from step 1. 2.
MDS-NT1 SECTION 5 ELECTRICAL ADJUSTMENTS Note 1:The test mode and recording of this set are controlled by a personal computer, thus requiring the set to be connected to the PC. Prepare the personal computer in which necessary software is already installed. • Attached software “OpenMG Jukebox” (necessary for recording (check in, check out)) (Part No. : 4-237-880-01) • Software for test mode “TestMode_S.exe” (“TestMode_S.exe” and essential files “data_files.csv”, “Net MDUSB.
MDS-NT1 Adjustment flow • Abbreviation OP: optical pick-up Start Replace OP or IC195* YES 5-8. INITIAL SETTING OF ADJUSTMENT VALUE (See page 31) YES 5-10. TEMPERATURE COMPENSATION OFFSET ADJUSTMENT (See page 31) NO Replace IC101, IC195*, or D101 NO Replace OP, IC933, or IC195* YES 5-11. LASER POWER ADJUSTMENT (See page 31) NO Replace OP, IC701, IC933, or IC195* YES 5-12. Iop NV SAVE (See page 32) NO Replace OP, IC101, IC201, or IC195* YES 5-13. TRAVERSE ADJUSTMENT (See page 32) 5-14.
MDS-NT1 5-2. PRECAUTIONS FOR CHECKING LASER DIODE EMISSION 5-4. HOW TO IDENTIFY OPTICAL PICK-UP KMS262A/KMS-262E To check the emission of the laser diode during adjustments, never view directly from the top as this may lose your eye-sight. This set uses optical pick-up KMS-262E in the production, but for the repair, only the KMS-262A is supplied.
MDS-NT1 5-5. PRECAUTIONS FOR ADJUSTMENTS 1. When replacing the following parts, perform the adjustments and checks with in the order shown in the following table. 2. Set the test mode when performing adjustments. After completing the adjustments, exit the test mode. Perform the adjustments and checks in “group Service” of the test mode. 3. Perform the adjustments to be needed in the order shown. 4. Use the following tools and measuring devices. • Check Disc (MD) TDYS-1 (Part No.
MDS-NT1 5-6. USING THE CONTINUOUSLY RECORDED DISC * This disc is used in focus bias adjustment and error rate check. The following describes how to create a continuous recording disc. 1. Insert a disc (blank disc) commercially available. 2. Check the [JOG UP] or [JOG DOWN] and display “CREC 2MODE” (C37). 3. Click the [ENTER/YES] again to display “CREC 2MID”. Display “CREC 2 (0300)” and start to recording. 4. Complete recording within 5 minutes. 5. Click the [MENU/NO] and stop recording . 6.
MDS-NT1 5-7-4. Auto Check This test mode performs CREC and CPLAY automatically for mainly checking the characteristics of the optical pick-up. To perform this test mode, the laser power must first be checked. Perform Auto Check after the laser power check and Iop compare. Procedure: 1. Click the [ENTER/YES]. If “LDPWR ” is displayed, it means that the laser power check has not been performed. In this case, perform the laser power check and Iop compare, and then repeat from step 1. 2.
MDS-NT1 9. Click the [ENTER/YES] to display “EFB = MO-P”. Then, the optical pick-up moves to the pit area automatically and servo is imposed. 10. Observe the waveform of the oscilloscope, and check that the specified value is satisfied. Do not click the [JOG UP] or [JOG DOWN]. Traverse Waveform A VC B Specified value : Below 10% offset value Offset value (%) = I A – B I X 100 2 (A + B) 11. Click the [ENTER/YES] to display “EF MO CHECK (C14)”. The disc stops rotating automatically. 12.
MDS-NT1 5-8. INITIAL SETTING OF ADJUSTMENT VALUE 5-10.TEMPERATURE COMPENSATION OFFSET ADJUSTMENT Note: Mode which sets the adjustment results recorded in the non-volatile memory to the initial setting value. However the results of the temperature compensation offset adjustment will not change to the initial setting value. If initial setting is performed, perform all adjustments again excluding the temperature compensation offset adjustment. For details of the initial setting, refer to “5-5.
MDS-NT1 6. Click the [JOG UP] or [JOG DOWN] so that the reading of the laser power meter becomes specified value, click the [ENTER/YES] to save it. Specified Value: Laser power meter reading: 8.2 to 8.6 mW (KMS-262A) 8.5 to 8.8 mW (KMS-262E) Note: Do not perform the emission with 8.4 mW more than 15 seconds continuously. 7. Then, click the [JOG UP] or [JOG DOWN] to display “LDPWR CHECK” (C13). 8. Click the [ENTER/YES] once to display “L 0.90 mW $ ”.
MDS-NT1 7. Click the [ENTER/YES] and save the result of adjustment to the non-volatile memory (“EFB = SAVE” will be displayed for a moment. Then “EFB = MO-W” will be displayed). 8. Click the [JOG UP] or [JOG DOWN] so that the waveform of the oscilloscope becomes the specified value. (When the [JOG UP] or [JOG DOWN] is clicked, the of “EFB= ” changes and the waveform changes.) In this adjustment, waveform varies at intervals of approx. 2%.
MDS-NT1 5-15. ERROR RATE CHECK 5-17. AUTO GAIN CONTROL OUTPUT LEVEL ADJUSTMENT 5-15-1. CD Error Rate Check Checking Procedure: 1. Load the check disc (MD) TDYS-1. 2. Click the [JOG UP] or [JOG DOWN] to display “CPLAY2 MODE” (C36). 3. Click the [ENTER/YES] twice and display “CPLAY2MID”. 4. The display changes to “C = AD = ”. 5. Check that the C1 error rate is below 20. 6. Click the [MENU/NO] to stop playback, then click the [EJECT] and take out the check disc.
MDS-NT1 Adjustment and Checking Loacation: – BD BOARD (Component Side) – D101 CN101 – BD BOARD (Conductor Side) – IC101 IC201 CN105 1 1. I+3V 2. Iop 7 3. GND 4. TE 5. FE 6. VC 7. RF IC933 Note: It is useful to use the jig for checking the waveform.
MDS-NT1 SECTION 6 DIAGRAMS BLOCK DIAGRAM – SERVO Section – FILTER 72 75 74 3T AUX PEAK TEMP PEAK & BOTTOM B 70 BOTM 33 37 C D E ADFG ABCD ABCD AMP I-V AMP FE FOCUS ERROR AMP 32 91 9 I-V AMP F TRACKING ERROR AMP COMMAND ILCC LD AUTOMATIC POWER CONTROL Q202, 203 11 LASER ON SWITCH Q201 10 APC LD/PD AMP SERIAL/PARALLEL CONVERTER, DECODER SE SUBCODE PROCESSOR ADIP DEMODULATOR/ DECODER CPU INTERFACE 34 F0CN SPINDLE SERVO 26 28 110 109 V-I CONVERTER F0CNT MONITOR CONTROL
MDS-NT1 6-2. BLOCK DIAGRAM – MAIN Section – CN4 USB DSPIF3 DSPIF2 DSPIF2 DSPIF0 5 DSPCLK SWDT, SCLK 46 SWDT SCLK 8 CDTI 7 CCLK 6 CSN AOUTL+ 12 AOUTL– 11 MIX AMP IC501 (1/2) AOUTR+ 10 AOUTR– 9 MIX AMP IC501 (2/2) CN200 RV301 PHONE LEVEL HEADPHONE AMP IC503 MUTING Q170, 270 5 LIN D732 Net MD 93 95 4 3 5 74 73 76 75 77 36 17 P.
MDS-NT1 6-3. • Waveforms – BD Board – NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. • All resistors are in Ω and 1/4 W or less unless otherwise specified. f : internal component. • • C : panel designation. Note: The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified.
MDS-NT1 6-4.
MDS-NT1 SCHEMATIC DIAGRAM – BD Board (1/2) – • See page 38 for Waveforms. (1/2) • See page 48 for IC Block Diagrams. A1 R707 4.7k A2 C704 0.047 TP701 R712 100 A3 A4 Q704 2SA1576A-T L701 R703 1k R705 10k IC701 TLV2361CDBV R710 47k -1 C702 4.7 -2 Q701-704 R701 1k C701 0.1 TP616 COMPARATOR A6 R709 2.2k Q702 FMW1-T-148 CN101 21P A5 R713 10k R706 2.2k R704 47k R702 1k HF MODULE C703 0.1 R708 4.7k R711 10k C299 0.1 L202 SWITCH VEE A7 TP609 A TP608 B TP607 J C105 10 6.
MDS-NT1 6-6. SCHEMATIC DIAGRAM – BD Board (2/2) – • See page 38 for Waveforms. (2/2) S105 (REC) A1 TP935 CC2 TP931 CC3 TP927 CC4 A2 A3 S104 (PLAY) TP1002 A4 C206 100 6.3V L122 C240 0.1 C215 0.033 TP1001 R212 330k R207 150 C219 100p R214 100k BB1 TP146 C242 0.1 S102 CC5 CC6 S101 (LIMIT IN) TP920 TP919 S102-1 -1 REFLECT RATE -2 DETECT S102-2 CC1 PROTECT R217 10k BB2 BB3 R208 1k C205 0.0022 R210 33k TP10 C216 R211 2.
MDS-NT1 6-7. PRINTED WIRING BOARD – MAIN Board (Component Side) – 1 2 3 4 5 6 7 8 9 10 11 12 A MAIN BOARD (COMPONENT SIDE) B IC400 1 C 2 B 3 C E C IC402 E B 3 IC401 E 2 IC503 IC501 1 D 1 2 IC420 IC505 NC F 13 • Semiconductor Location Ref. No.
MDS-NT1 6-8. PRINTED WIRING BOARD – MAIN Board (Conductor Side) – 1 A 2 3 4 5 6 7 8 MAIN BOARD (CONDUCTOR SIDE) 10 11 CN4 (FRONT VIEW) CN200 ANALOG OUT 9 PHONES J400 – SHORT SOCKET J180 + DC IN 9V RV301 PHONE LEVEL B CN4 USB –1 –2 2 4 3 1 C 2 1 D E F 8 G IC440 3 H 2 1 IC450 1 • Semiconductor Location I 12 1-682-708- (12) Ref. No.
MDS-NT1 • See page 38 for Waveforms. OUT1 GND IN1 VCC1 OUT2 IC440 M54641L • See page 48 for IC Block Diagrams. VCC2 (1/2) IN2 SCHEMATIC DIAGRAM – MAIN Board (1/2) – VZ 6-9. LOADING MOTOR DRIVER LOAD-OUT TP1 R10 0 LOAD-IN FB1 0 CN4 4P USB TP2 CN105 8P R441 22k GND LF1 AA2 R442 15k AA1 REFERENCE RESET RESET TP3 VOLTAGE SWITCH CNVSS C441 0.1 CNVSS RXD1 Q401 2SA1576-T106-QR Q440 UN5211-TX R443 47k C442 0.1 FB2 0 Q401,440 LOAD-LOW C1 0.
MDS-NT1 6-10. SCHEMATIC DIAGRAM – MAIN Board (2/2) – • See page 38 for Waveforms. • See page 48 for IC Block Diagrams. (2/2) EP550 R162 10k R164 10k C166 100p C856 0.1 (CHASSIS) C161 220p R166 10k IC501(2/2) NJM2115V(TE2) R140 0 6 7 R142 0 R176 680 C176 22 25V L178 R178 C177 330 220p CN200 5 C854 0 D/A CONVERTER A1 A3 MCLK R501 220 BCK BICK A4 DADT R503 220 LRCK R500 220 C451 0.
MDS-NT1 6-11. PRINTED WIRING BOARD – PANEL Board – 1 2 3 4 5 6 PANEL BOARD (COMPONENT SIDE) A C MAIN BOARD CN104 D731, 751 (Page 42) A K K K A A (REC) (PLAY) B 12 1-682-709- (12) PANEL BOARD (CONDUCTOR SIDE) C Net MD N/> x/Z 12 D 1-682-709- • Semiconductor Location Ref. No.
MDS-NT1 6-12. SCHEMATIC DIAGRAM – PANEL Board – R732 150 R751 150 D732 SEL5820A-TP15 CN704 7P D751 SML-010MT-T87 Net MD SYS+3.5V (PLAY) PANEL.GND LED1 LED2 R726 4.7k LED3 KEY1 TP701 (CHASSIS) Q732 UN5211-TX Q751 UN5211-TX LED DRIVE LED DRIVE C748 0.1 KEY0 S726 (Page 44) R731 150 D731 SML-010VT-T87 (REC) R702 2.
MDS-NT1 • IC Block Diagrams – BD Board – – + RF AGC RF PEAK 44 43 42 41 40 39 38 37 USROP RF AGC + – EQ USRC EQ DET + – RFA1 AGCI 45 COMPO 46 COMPP OPN 47 ADDC RFO 48 OPO MORFI CXA2523AR MORFO IC101 BPF3T RFA2 I J 1 –1 – –2 – 2 RFA3 HLPT –1 CVB IVR BOTTOM –1 PBSW GRVA TEMP 36 BOTM PBH WBL 35 ABCD 34 FE – – – – AA WBL PEAK –2 GRV + – 4 3T PTGR – 1 – –2 – + A 3 P-P –2 OFST VC AUX SW PEAK3T 3T 33 AUX BPFC ABCDA 32 ADFG B + – 5 IVR C 31 AD
MDS-NT1 CAPA+ IN2R IN2F VM2 OUT2F PGND2 OUT2R VM12 OUT1R PGND1 OUT1F VM1 IN1F IN1R VDD BH6519FS-E2 CAPA– IC401 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 INTERFACE PREDRIVE PREDRIVE PREDRIVE 4 5 6 7 8 9 10 11 12 VM4 OUT4F PGND4 OUT4R VM34 OUT3R PGND3 OUT3F PSB 13 14 15 16 PSB 3 INTERFACE IN3R 2 IN4F AMP IN4R AMP VDD IN3F AMP AMP VG GND AMP PREDRIVE INTERFACE 1 AMP VM3 CHARGE PUMP.
MDS-NT1 IC440 M54641L INPUT AMP POWER AMP CONTROL INPUT AMP POWER AMP IC451 6 7 8 IN2 VCC 5 OUT1 4 REFERENCE 3 GND 2 IN1 VCC 1 OUT2 REG.
MDS-NT1 6-13. IC PIN FUNCTION DESCRIPTION • BD BOARD IC101 CXA2523AR (RF AMP, FOCUS/TRACKING ERROR AMP) Pin No. Pin Name I/O Description 1 I I I-V converted RF signal I input from the optical pick-up block detector 2 J I I-V converted RF signal J input from the optical pick-up block detector 3 VC O Middle point voltage (+1.
MDS-NT1 • BD BOARD IC201 CXD2664R (DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO SIGNAL PROCESSOR, EFM/ACIRC ENCODER/DECODER, SHOCK PROOF MEMORY CONTROLLER, ATRAC ENCODER/DECODER) Pin No.
MDS-NT1 Pin No. Pin Name I/O Description 41 A11 O Address signal output to the external D-RAM 42 to 45 D0 to D3 I/O Two-way data bus with the D-RAM 46 XCAS O Column address strobe signal output to the D-RAM “L” active 47 XRAS O Row address strobe signal output to the D-RAM “L” active 48 to 56 A00 to A02, A05 to A10 O Address signal output to the D-RAM 57 VDC2 — Power supply terminal (+2.
MDS-NT1 Pin No. Pin Name I/O 100 APC O Reference PWM signal output to the RF amplifier for the laser automatic power control 101 LDDR O PWM signal output terminal for laser digital automatic power control Not used 102 TRDR O Tracking servo drive PWM signal (–) output 103 TFDR O Tracking servo drive PWM signal (+) output 104 FFDR O Focus servo drive PWM signal (+) output 105 FRDR O Focus servo drive PWM signal (–) output 106 FS4 O Clock signal (176.
MDS-NT1 • MAIN BOARD IC301 M30835FJGP-01 (SYSTEM CONTROLLER) Pin No.
MDS-NT1 Pin No.
MDS-NT1 • MAIN BOARD IC301 CXD1873R (NET MD SECURITY, DIGITAL SIGNAL PROCESSOR, USB INTERFACE) Pin No. Pin Name I/O Description 1 VDEA0 — Power supply terminal (+3.3V) (for DSP) 2 VSEA0 — Ground terminal (for DSP) 3 PLLSW I PLL function on/off control signal input from the system controller “L”: PLL on 4 TEST0 I Test input terminal Normally fixed at “L” 5 DSPCLK I DSP transfer clock signal input terminal (256Fs: 11.2896MHz) 6 VDC0 — Power supply terminal (+3.
MDS-NT1 Pin No. Pin Name I/O 46 EXTAL I System clock input terminal (12 MHz) 47 XTAL O System clock output terminal (12 MHz) 48 PLLVSS — Ground terminal (for OSC) 49 VDEC0 — Power supply terminal (+3.3V) (for CPU) 50 VSEC0 — Ground terminal (for CPU) 51 CPUCK I Serial data transfer clock input from the system controller 52 CPUSO O Serial data output to the system controller 53 CPUSI I Serial data input from the system controller 54 VDEC1 — Power supply terminal (+3.
MDS-NT1 SECTION 7 EXPLODED VIEWS • Abbreviation NOTE: • -XX and -X mean standardized parts, so they may have some difference from the original one. • Color Indication of Appearance Parts Example: KNOB, BALANCE (WHITE) . . . (RED) ↑ ↑ Parts Color Cabinet's Color SP • Items marked “*” are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items. • The mechanical parts with no reference number in the exploded views are not supplied.
MDS-NT1 7-2. FRONT PANEL SECTION not supplied 56 54 56 52 53 55 51 Ref. No. 51 52 53 54 60 Part No. Description X-4954-600-3 4-236-730-01 4-228-630-01 4-230-848-21 PANEL ASSY, FRONT BUTTON (A) SPRING (LID), TENSION COIL LID (MD) Remark Ref. No. 55 55 56 Part No. Description A-4727-709-A PANEL BOARD, COMPLETE (SP) A-4727-707-A PANEL BOARD, COMPLETE (AEP, UK) 4-951-620-01 SCREW (2.
MDS-NT1 7-3. CASE (B) SECTION 102 #4 101 #5 #4 #4 #4 103 not supplied 104 105 105 Ref. No. Part No. Description 101 101 * 102 103 A-4727-708-A A-4727-706-A 1-569-972-21 4-236-736-11 MAIN BOARD, COMPLETE (SP) MAIN BOARD, COMPLETE (AEP, UK) SOCKET, SHORT 2P PANEL, BACK Remark Ref. No. 104 105 #4 #5 Part No.
MDS-NT1 7-4. MD MECHANISM DECK SECTION-1 (MDM-7S2B) 305 not supplied 311 313 310 314 319 315 316 not supplied 304 317 308 303 318 not supplied 302 306 307 320 302 301 MD mechanism deck section-2 Ref. No. Part No.
MDS-NT1 7-5. MD MECHANISM DECK SECTION-2 (MDM-7S2B) 359 HR901 A 358 357 360 367 #11 356 #11 364 362 A 355 368 362 354 359 not supplied 352 353 S102 352 M101 365 366 M102 363 361 353 353 not supplied M103 351 353 The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. Ref. No. Part No.
MDS-NT1 SECTION 8 ELECTRICAL PARTS LIST BD NOTE: • Due to standardization, replacements in the parts list may be different from the parts specified in the diagrams or the components used on the set. • -XX and -X mean standardized parts, so they may have some difference from the original one. • RESISTORS All resistors are in ohms. METAL: Metal-film resistor. METAL OXIDE: Metal oxide-film resistor. F: nonflammable • Abbreviation SP: Singapore Ref. No. Part No.
MDS-NT1 BD Ref. No. CN101 CN102 CN103 * CN104 CN105 D101 D501 D502 Part No. 1-766-833-21 1-784-835-21 1-784-834-21 1-580-055-21 1-784-859-21 Description Remark Description Remark 1-216-863-11 RES-CHIP 3.
MDS-NT1 BD Ref. No. MAIN Part No. Description R707 R708 R709 R710 1-218-863-11 1-218-863-11 1-218-855-11 1-218-887-11 METAL CHIP METAL CHIP METAL CHIP METAL CHIP 4.7K 4.7K 2.2K 47K 0.5% 0.5% 0.5% 0.
MDS-NT1 MAIN Ref. No. Part No. Description Remark C917 C918 C920 1-164-156-11 CERAMIC CHIP 1-162-919-11 CERAMIC CHIP 1-216-864-11 METAL CHIP 0.1uF 22PF 0 C922 1-164-156-11 CERAMIC CHIP 0.
MDS-NT1 MAIN Ref. No. PANEL Part No. Description Remark Ref. No. Part No.
MDS-NT1 Ref. No. M103 Part No. Description Remark Ref. No. Part No.
MDS-NT1 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. 1.0 Date 2002.